They were asked to test different cognitive strategies to help them recover.

The first involved thinking negatively about their ex.

The second tested a strategy called “reappraisal of love feelings,” in which they were told to accept their feelings of love towards their ex-partners, without judgement.

This, TIME reports, involved being encouraged to read and believe statements such as: “It’s OK to love someone I’m no longer with.”

The third strategy was distraction. Participants were told to think about positive things that did not involve their ex at all.

In the fourth controlled test, the subjects were not asked to think about anything in particular.

The next stage of the experiment involved the researchers showing the respondents photographs of their exes and recording the intensity of their emotions using an electroencephalogram. They also answered a questionnaire about their feelings.

The scientists found that all three strategies decreased the participants’ emotional response to the photos of their exes, which they deduced could help them deal with real-life encounters of reminders of them, say on social media, for example.

The first strategy of “negative reappraisal” decreased love feelings but also made subjects feel more unpleasant. The second – love reappraisal – did not change how in love or pleasant or unpleasant participants felt.

Meanwhile, distraction did not change love feelings, but made participants feel happier. Lead author Sandra Langeslag, assistant professor of psychology and director of the Neurocognition of Emotion and Motivation Lab at the university, told TIME:

“Distraction is a form of avoidance, which has been shown to reduce the recovery from a breakup.” So this method should perhaps be reserved as a short-term coping mechanism.

The researchers concluded that the results of this experiment suggest that “negative reappraisal is an effective love down-regulation strategy, whereas distraction is an effective positive emotion up-regulation strategy” in the context of a break-up.

They added that so-called “love regulation,” which they define as “the use of behavioural or cognitive strategies to change the intensity of current feelings of romantic love,” is a promising phenomenon, but Langeslag also told TIME that it “doesn’t work like an on/off switch.”

“To make a lasting change, you’ll probably have to regulate your love feelings regularly,” she said.